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Finding the Fourth Proportional to 265,218, 397,846.44 and 99,006

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Solution

The fourth proportional to 265,218, 397,846.44 and 99,006 is: 148,516.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,218 : 397,846.44 = 99,006 : x
  2. Step 2: Convert to fraction form
    265,218/397,846.44 = 99,006/x
  3. Step 3: Cross multiply
    265,218x = 397,846.44 × 99,006
  4. Step 4: Simplify right side
    265,218x = 39,389,184,638.64
  5. Step 5: Solve for x
    x = 39,389,184,638.64/265,218
  6. Step 6: Final answer
    x = 148,516.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.